CVE

CVE-2022-40617

strongSwan before 5.9.8 allows remote attackers to cause a denial of service in the revocation plugin by sending a crafted end-entity (and intermediate CA) certificate that contains a CRL/OCSP URL that points to a server (under the attacker's control) that doesn't properly respond but (for example) just does nothing after the initial TCP handshake, or sends an excessive amount of application data.

Severity

HIGH

CVSS

7.5

Published

Oct 31, 2022

Modified

Jun 17, 2026